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33 Cards in this Set
- Front
- Back
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what are the specialized features at the fundus
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optic disc, macula lutea, fovea centralis
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what is found at the retina
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many neurons-sensory
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what are the 2 structures found at the retina
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rods/cones
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what is the optic disc
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area where the nerves leave the eye-no sensory cells
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what is the macula
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part of the eye that is the most sensitive, gives good vision
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what are the motor nerves of the eye
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oculomotor 3rd, trochear 4th, abducens 6th
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what are the vital sign of the eye
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visual acuity
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what else should you check in a pt other than visual acuity
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pupils
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what are the sensory nerves of the eye
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optic 2nd, ophthalmic 5th, maxillary 5th
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what does the superior rectus muscle of the eye do
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moves eye upward/medially
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what does the medial rectus eye muscle do
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move eye medially
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what does inferior rectus eye muscle do
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move eye downward/medially
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what does the lateral rectus muscle in the eye do
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move eye laterally
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what does the rectus eye muscle control
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moves eye up down side to side
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what does the superior oblique eye muscle do
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move eye downward/laterally
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what does the inferior oblique eye muscle do
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move eye upward/laterally
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what do oblique muscles control in the eye
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eye movement- rotation of eye during angled view
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what makes up the lacrimal apparatus
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lacrimal: gland, ducts, canaliculi, sac, nasolacrimal duct, inferior meatus- lateral wall of nose
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what is blepharitis
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inflammation of the eyelid
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what will you notice initially in a pt w/ blepharitis
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crusting/scaling to eyelid; red inflamed no abscess
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is blepharitis chronic or acute
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can be either
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what is the anatomy and physiology of blepharitis
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Common chronic bilateral inflammatory condition of the lid margins
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what are the meibomian glands
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oil producing sebaceous glands in tarsal plates of eyelids
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what species are associated w/ blepharitis
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S. aureus, staphylococcus epidermis, corynebacterium spp.
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what is blepharitis a resultt of
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contact dermatitis
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what else might blepharitis be due to
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hypersensitivity, meibomian gland dysfunction, and viral-HSV1
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what is blepharitis more commonly seen in
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seborrhea, acne rosacea, diabetes mellitus, debility/immunocompromised, poor eyelid hygeine, use of cosmetic makeup, chemical/environmental irritants
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what age are most ppl w/ blepharitis
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mainly adults
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what is the ratio male to female in blepharitis
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equal
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what is the racial pattern of blepharitis
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more common in fair skinned ppl
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what are the symptoms of blepharitis
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itch/scratchy/burn, watery, light sensitive, worse in a.m., foreign body sensation, eyelid stuck together-sleep, eyelid crust/flakes, eyelashing falling out, ulcers on eyelid, dandruff-scalp/lid
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what is recurrent hordeola common with
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blepharitis
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what is recurrent chalazia common with
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blepharitis
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